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Roman55 [17]
3 years ago
7

Two more than four times a number is the same as six more than twice the number. Find the number. 2​

Mathematics
1 answer:
Luba_88 [7]3 years ago
7 0

Answer:

Let n = the number

5x + 6 = 2x - 9

3x = -15

x = -5

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gabriel saves 40% of his monthly paycheck for collage. he earned $270 last month.how much money did gabriel save for collage
rusak2 [61]
The best thing to do is to find 10%, and you can do this by dividing $270 by 10, and therefore, $27 is equal to 10%. To find 40%, you've got to multiply $27 by 4, and this gives you $108. Therefore, gabriel saved $108 last month :)
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4 years ago
Covert 15/7/8 to a decimal
serg [7]

Answer:

0.268

Step-by-step explanation:

In the attached file

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3 years ago
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Please help!!!!
Solnce55 [7]

Answer:

c)  ((6-\sqrt{12} )(6+\sqrt{12} ) = 24

d)    ((3+\sqrt{8} )(3-\sqrt{8} ) = 1

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the binomial expression

          ((6-\sqrt{12} )(6+\sqrt{12} )

Multiply

        ( 36 + 6√12 -6√12 -(√12)²)

    =  ( 36 -12)

   =  24

c)  ((6-\sqrt{12} )(6+\sqrt{12} ) = 24

<u><em>Step(ii):-  </em></u>

Given that the binomial expression

          ((3+\sqrt{8} )(3-\sqrt{8} )

Multiply

 =  9 - 3√8 + 3√8 -(√8)²

=   9 - 8

= 1

d)    ((3+\sqrt{8} )(3-\sqrt{8} ) = 1

8 0
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A skydiver is 780 meters above the ground when he opens his parachute. After opening the parachute, he descends at a constant sp
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Answer:

y = 780 - 20x

Step-by-step explanation:

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I think it might be 56y^2 but I could be wrong
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